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    • 7. 发明申请
    • METHOD FOR PRODUCING FIBER COMPOSITE
    • 生产纤维复合材料的方法
    • US20090242104A1
    • 2009-10-01
    • US12357531
    • 2009-01-22
    • Shigeki WATANABE
    • Shigeki WATANABE
    • D04H3/12
    • B29C70/506B29B15/105B29B15/12B29K2105/0076
    • The object of the present invention is to provide a method for producing a fiber composite excellent in lightweight and rigidity. The present method is one for producing fiber composite having a structure in which reinforcing fibers are bonded with a thermoplastic resin, is characterized in that said reinforcing fiber is at least one of a plant fiber and an inorganic fiber, and comprises a feeding process in which a thermally expandable capsule (20) having a shell wall composed of a thermoplastic resin is fed to one of either front side or back side of a mat (10a) comprising the reinforcing fiber and a thermoplastic resin fiber, a dispersing process in which one side of the mat is subjected to vibration from another side of the mat while pressing the one surface side of the mat (10a) to disperse the capsule (20) towards another side of the mat, a melting process in which the thermoplastic resin fiber constituting the mat is molten, and an expanding process in which the capsule (20) dispersed in the mat is heated to expand.
    • 本发明的目的是提供一种轻质和刚性优异的纤维复合材料的制造方法。 本发明的方法是一种用于生产具有增强纤维与热塑性树脂粘合的结构的纤维复合材料,其特征在于所述增强纤维是植物纤维和无机纤维​​中的至少一种,并且包括喂养方法,其中 将具有由热塑性树脂构成的壳壁的热膨胀性胶囊(20)供给到由增强纤维和热塑性树脂纤维构成的垫(10a)的前侧或后侧之一,分散工序 从垫的另一侧受到振动,同时按压垫(10a)的一个表面侧以将胶囊(20)分散到垫的另一侧,熔融过程中构成热塑性树脂纤维 垫子被熔化,并且其中分散在垫中的胶囊(20)被加热膨胀的膨胀过程。
    • 8. 发明授权
    • Thermoset plastic pellets and method and apparatus for making such
pellets
    • 热固性塑料颗粒及其制备方法和装置
    • US4737407A
    • 1988-04-12
    • US837624
    • 1986-03-10
    • Joseph Wycech
    • Joseph Wycech
    • B29B9/06C08J3/12C08J9/32B29C65/30B29C67/02
    • C08J9/32B29B9/06C08J3/124B29K2101/10B29K2105/0076B29K2503/04Y10S264/06Y10T428/249971Y10T428/249972Y10T428/249974Y10T428/25Y10T428/2998
    • The method of the present invention includes mixing a low viscosity thermoset resin and microspheres together without melting the thermoset resin and extruding the mixture to form a continuous strand of paste-like uncured material. The continuous strand is gelled on a conveyor which preferably includes a radiant heater or other means for accelerating the gelling of the continuous strands into solid form. The strands are then cut or chopped into pellet form and may be coated with an adhesive or B-staged material in preparation for forming into structural reinforcements. The pellets are filled with microspheres in the amount of 20 to 35% of resin weight. The pellets may include unexpanded thermally expandable microspheres which permit expansion of the pellets when exposed to heat to provide a pellet having a bulk density as low as 9 pounds per cubic foot. The pellets may be formed of a thermoset resin such as a polyester resin or epoxy resin, vinylester resin, polyurethane resin, or phenolic resin and may include organic, inorganic or glass pre-expanded microspheres. Alternatively, the pellets may include unexpanded thermally expandable thermoplastic microspheres or a liquid blowing agent if expansion of the pellets is desired. A cure aid or curing agent may be included in the pellet mix to facilitate curing of the pellet in the final reinforcement and other additives may be incorporated in the pellet mix to improve extrudability or other properties of the pellets.
    • 本发明的方法包括将低粘度热固性树脂和微球体混合在一起而不熔化热固性树脂并挤出混合物以形成连续的糊状未固化材料。 连续的股线在输送机上凝胶化,该输送机优选包括辐射加热器或用于加速连续股线的凝胶化成固体形式的其它装置。 然后将线切割或切碎成颗粒形式,并且可以用粘合剂或B阶材料涂覆以制备成结构增强物。 颗粒充满20至35%树脂重量的微球。 颗粒可以包括未膨胀的热膨胀性微球,其允许在暴露于热量时使颗粒膨胀,以提供堆积密度低至9磅/立方英尺的沉淀。 颗粒可以由热固性树脂如聚酯树脂或环氧树脂,乙烯基酯树脂,聚氨酯树脂或酚醛树脂形成,并且可以包括有机,无机或玻璃预膨胀微球。 或者,如果需要颗粒的膨胀,则颗粒可以包括未膨胀的热膨胀性热塑性微球体或液体发泡剂。 可以在丸粒混合物中包含固化助剂或固化剂,以促进在最终增强物中的颗粒的固化,并且可以将其它添加剂加入到颗粒混合物中以改善颗粒的可挤出性或其它性能。